Last name Diordano (Diordano 
) , across the world, is an extremely rare surname. The surname Diordano is characteristic of Latin America and the Caribbean, particularly Venezuela, where it is an extremely rare surname. Much more frequently, Diordano is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Diordano | Democratic Republic of the Congo, Philippines, United States, Brazil, Venezuela |